Last updated: 2025-11-13
28 Backend Engineer jobs in Sofia.
Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 19 markets. We always aim to leverage cutting-edge…
Sofia
- Skills: C#, .NET Core, REST, Agile, MVC, highly available infrastructure, ElasticSearch, RabbitMQ, GitLab, concurrency
- Level: mid
- Type: other
Fliff
Fliff unpacks sports gaming into social, free-to-play games for all types of sports fans. We've built a social sports gaming experience that allows users to co…
Sofia
- Skills: Python, Django, Kafka, distributed systems, microservices, Docker, Kubernetes, AWS, PostgreSQL, Agile
- Level: senior
- Type: full_time
Tide
At Tide, we are building a business management platform designed to save small businesses time and money. We provide our members with business accounts and rel…
Sofia
- Skills: Python, Django, FastAPI, REST APIs, CI/CD, AWS, Databricks, Kafka, event-driven architecture, software engineering
- Level: mid
- Type: full_time
Cision
As a global leader in PR, marketing and social media management technology and intelligence, Cision helps brands and organizations to identify, connect and eng…
Sofia
- Skills: C#, Microsoft .NET, relational databases, enterprise software, front-end frameworks, message systems, unit testing, cloud technologies, Scrum, Service Oriented Architecture
- Level: senior
- Type: full_time
Adastra
Adastra is a global IT company, offering premier class services and solutions in the area of Information Management.
Sofia
- Skills: Databricks, Azure, ETL, PySpark, SQL, Terraform, data pipelines, cloud architecture, data storage solutions, Azure services
- Level: mid
- Type: full_time
Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 19 markets. We always aim to leverage cutting-edge…
Sofia
- Skills: Backend Engineering, Microservices, System Architecture, Performance Optimization, Microsoft .NET, DevOps, Containerization, Message Brokers, Software Development, Technical Leadership
- Level: senior
- Type: full_time
AMPECO
Our Mission at AMPECO is to enable the EV charging providers of tomorrow through innovative technology, and the vision we share is to build the platform of cho…
Sofia
- Skills: PHP, SaaS, e-mobility, EV charging, software solutions, energy management, infrastructure, development, backend, technology
- Level: senior
- Type: full_time
Yopeso Romania SRL
Yopeso has been developing a diverse range of software products, from large-scale applications to smaller solutions, for 20 years. With a growing team of over …
Sofia
- Skills: PostgreSQL, database administration, performance tuning, data migrations, high availability, database security, backup and recovery, AWS, Terraform, automation
- Level: mid
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Ruby on Rails, API interfaces, backend infrastructure, relational databases, PostgreSQL, object-oriented programming, caching, development lifecycle, open-source contributions, debugging
- Level: senior
- Type: full_time
Adastra
Adastra is a global IT company, offering premier class services and solutions in the area of Information Management. We work in international teams and on proj…
Sofia
- Skills: AWS, data services, SQL, Python, R, big data, Spark, Scala, CI/CD, cloud security
- Level: mid
- Type: other
Descartes
Descartes Unites the People and Technology that Move the World. More than 26,000 customers around the globe use our cloud-based solutions to transform the way …
Sofia
- Skills: .NET, C#, MSSQL Server, LINQ, OOP, SOLID, Web Services, SOAP, RESTful, plugin development
- Level: mid
- Type: full_time
Insurify
Insurify is one of the America’s fastest-growing MIT FinTech startups and has been recognized as one of Inc. 5,000’s fastest-growing private companies in Ameri…
Sofia
- Skills: Python, Django, Node.js, SQL, NoSQL, MySQL, Redis, DynamoDB, Redshift, Apache Airflow
- Level: mid
- Type: full_time
Netcompany
Are you ready to shape the future technological landscape in Europe? We are dedicated to responsible digitalisation, building innovative, inclusive solutions t…
Sofia
- Skills: .NET, backend development, Microsoft Business Intelligence, physical databases, SQL, BI, Scrum, UML, ETL, enterprise-level software
- Level: mid
- Type: full_time
Tide
At Tide we help SMEs save time (and money) in the running of their businesses by not only offering business accounts and related banking services, but also a c…
Sofia
- Skills: Python, AWS, Django, FastAPI, Flask, REST APIs, Agile, Scrum, Microservices, Software engineering
- Level: senior
- Type: full_time
LucidLink
LucidLink is a fast-growing startup on a mission to make data instantly and securely accessible from everywhere. Our cloud-based technology enables teams to in…
Sofia
- Skills: cloud computing, C++ development, agile development, test-driven development, system programming, multithreading, TypeScript, data structures, automation, fault-tolerant solutions
- Level: mid
- Type: full_time
Canonical
Canonical is a pioneering tech firm that is at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important…
Sofia
- Skills: Big Data, MySQL, Python, Golang, Kubernetes, open-source, software development, engineering excellence, cloud solutions, scalable data solutions
- Level: mid
- Type: full_time
Insurify
Insurify is one of the America’s fastest-growing MIT FinTech startups and has been recognized as one of Inc. 5,000’s fastest-growing private companies in Ameri…
Sofia
- Skills: Python, Django, Node.js, system architecture, performance optimization, distributed systems, Apache Airflow, AWS, React, task workflows
- Level: senior
- Type: full_time
Descartes
Descartes Unites the People and Technology that Move the World. We’re one of the most broadly deployed logistics and supply chain technology companies in the w…
Sofia
- Skills: C#, .NET Framework, MSSQL Server, LINQ, Web Services, OOP principles, SOLID, plugins development, client requirements, integration
- Level: entry
- Type: full_time
Experian
Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, unc…
Sofia
- Skills: .NET 8.0, C#, Cloud-based architecture, Microservices, REST APIs, gRPC, Agile, CI/CD, Kubernetes, SQL
- Level: mid
- Type: full_time